iP5 TMo Extracting Voicemail

I need to come up with a workflow that will allow me to permanently save my voicemail off the iPhone. I would prefer to be able to save the voicemail to a computer (Mac/Lion or PC/W7) in such a manner that it retains the timestamp, caller ID, etc. information.

I think iExplorer might do the trick, which is iExplorer might work, but before I go spending $35-50 I thought I might ask here.

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